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15. have, the, boys, some, model, planes, nice(.)
14. looks, the, the, in, hat, very, rabbit, happy, black(.)
13. after, play, boys, class, the, volleyball(.)
12. in, nine, morning, is, o’clock, it, the(.)
11. are, see, other, happy, each, teachers, to, the(.)
10. and, Nancy, can, Helen, what, do(?)
9. students, a, are, the, lesson, new, having(.)
8. song, you, sing, can, this(?)
7. can, violin, play, Ben, the(.)